The term 'little amount' can be described by four different crossword solutions: OUNCE (5 letters), IOTA (4 letters), DRAM (4 letters), and DRIB (4 letters). OUNCE is a unit of measurement for weight, equal to approximately 28 grams. IOTA is the ninth letter of the Greek alphabet and is used to represent a very small amount or quantity. A DRAM is a unit of measurement for volume, equal to 1/8 of a teaspoon. Finally, a drib is an informal term for a very small amount of liquid. All of these terms can be used to describe a little amount.